Honeywell MS4103 User Manual
117
Unitary Valve Actuator
VC Series Proportional Actuators
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VC Series Proportional Actuators
Control central heating and/or
cooling systems, fan coil systems,
radiators and convectors.
Depending on the model selected,
it can be controlled by either a low
or line voltage SPST or SPDT or
floating controller such as a room
thermostat, Aquastat control, flow
switch or a 0/2 to 10 Vdc controller.
cooling systems, fan coil systems,
radiators and convectors.
Depending on the model selected,
it can be controlled by either a low
or line voltage SPST or SPDT or
floating controller such as a room
thermostat, Aquastat control, flow
switch or a 0/2 to 10 Vdc controller.
SPECIFICATIONS
Actuator Type ....................................... Valve
Control Signal ....................................... 2-10 Vdc modulating; or
Actuator Type ....................................... Valve
Control Signal ....................................... 2-10 Vdc modulating; or
24 Vac floating
Fail Safe Mode ..................................... Stays in place
Cable Entry .......................................... Molded strain relief, conduit
clamp
Electrical Protection ............................. Double Insulated
Ingress Protection Rating ..................... IP40
Electrical Connections ......................... Plenum-rated cable
Electrical Connection Length ............... 5 ft. plenum rated
(1.5 m plenum rated)
Frequency ............................................ 50 Hz, 60 Hz
Manual operation ................................. Lever
Mounting .............................................. Direct Coupled
Shaft Adapter Type .............................. Self-alignment
Stroke ................................................... 0.4 in. (10 mm)
Supply Voltage ..................................... 24 Vac
Timing, Nominal Driving at 60 Hz ......... 120 sec.
Power Consumption, Driving ................ 6 VA
Materials ............................................... Plastic housing
Operating Humidity Range (% RH) ...... 5 to 95% RH, non-condensing
Medium Temperature ........................... 203 F (95 C)
Ambient Temperature Range ............... 32 F to 150 F (0 C to 65 C)
Temperature Ratings (Shipping) .......... -40 F to 150 F (-40 C to 65 C)
Storage Temperature Range ................ -40 F to 150 F (-40 C to 65 C)
Weight .................................................. 0.84 lb (0.38 kg)
Includes ................................................ 3/8 in. flex conduit adapter
Comments ............................................ Use with 3000 Series 2-way
and 7000 Series VC valve
bodies only
APPROVALS
Canadian Standards Association ......... CSA Certified: LR1322-367
Canadian Standards Association ......... CSA Certified: LR1322-367
Underwriters Laboratories, Inc. ............ Listed 94-5V
FEATURES
• Use with two-way or three-way valves.
• Minimal actuator power consumption.
• Double insulated actuator.
• Quick-connect or one meter cable electrical connections
• Minimal actuator power consumption.
• Double insulated actuator.
• Quick-connect or one meter cable electrical connections
available.
• Quick and easy replacement of moving parts.
• Actuator head installation does not require draining the
• Actuator head installation does not require draining the
system.
• Use non-fail safe proportional actuators with 3000 Series
2-way and 7000 Series 3-way VC valve bodies only.
• All VC Series actuator-valve combinations provide 60 psi
close-off.